EP1929616A1 - Systeme d'excitation pour machine electrique - Google Patents
Systeme d'excitation pour machine electriqueInfo
- Publication number
- EP1929616A1 EP1929616A1 EP06793396A EP06793396A EP1929616A1 EP 1929616 A1 EP1929616 A1 EP 1929616A1 EP 06793396 A EP06793396 A EP 06793396A EP 06793396 A EP06793396 A EP 06793396A EP 1929616 A1 EP1929616 A1 EP 1929616A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- superconducting
- voltage
- energy
- excitation
- winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/18—Rotary transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/006—Supplying energising or de-energising current; Flux pumps
- H01F6/008—Electric circuit arrangements for energising superconductive electromagnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/38—Structural association of synchronous generators with exciting machines
Definitions
- the invention relates to an excitation device for an electric machine according to the preamble of claim 1.
- the electric machine is a synchronous machine which preferably, but not exclusively, uses a superconducting inductance as the pole wheel winding.
- HTS High Temperature Superconductor
- any heat input via mechanical contacts should be avoided as far as possible.
- Mechanical contacts such as slip rings od.
- the monitoring and control information advantageously becomes contactless, i. inductively transferred to the rotor.
- Known excitation devices for a superconducting winding preferably comprise a contactless energy transmission path, a contactless control or regulating signal transmission path to a stationary control and regulation unit, and an actuator for impressing a voltage and a freewheeling circuit.
- the transformer works in particular inductive.
- EP 1 247 324 B1 proposes a unidirectional inductive energy transmission, wherein a "rotating transformer" consisting of two shell cores with ring windings and axial flow guidance is present as inductive operating means, whereby the shell cores can move around the common axis.
- the invention is particularly directed to a synchronous machine with a superconducting Polradwicklung.
- the invention but is also suitable for the excitation of non-superconducting windings.
- a bidirectional energy transmission is realized in particular via a rotating inductive transformer.
- the inductive transformer advantageously consists of shell cores and a suitable tension actuator on the rotor.
- a superconducting inductance can be fed directly with the exciter device according to the invention.
- a bipolar voltage can be impressed on the superconducting inductance. If this voltage has a constant magnitude, the superconducting inductance can be excited or de-excitation linearly.
- the rotating transformer does not necessarily need to be operated in center point circuit due to poorer utilization.
- the transmission with a good power density of the inductive transformer the transmission with
- FIGURE shows the circuit configuration of a device for the bidirectional excitation or de-excitation of a superconducting coil in particular.
- the circuit consists in detail of a network connection 1 as a voltage source, from a subsequent inverter 2 rectifier with subsequent inverter 3 and associated electronics. Furthermore, an inductive transformer 5 is present whose equivalent circuit diagram is shown as a contactless transformer in the magnification A.
- the transformer 5 is followed on the secondary side by an exciter circuit 6 with voltage specification or setting for an inductance.
- the inductance is formed from a coil of superconducting material, in particular high-temperature superconducting (HTS) material, which has a comparatively high transition temperature.
- HTS high-temperature superconducting
- the superconducting coil with inductance value L sc is designated as a whole by 10.
- the superconducting coil 10 is connected in parallel with a freewheeling circuit 11.
- the freewheeling circuit 11 is arranged in the immediate vicinity of the superconducting winding 11 and is intended low-impedance.
- a three-phase stationary mains connection provides a DC voltage at the intermediate circuit capacitance C1 by means of a standard rectifier.
- the specification of a bidirectional power flow requires either a self-guided voltage-stressing rectifier or a simple mains-guided diode bridge with a brake chopper for implementing the energy that can be fed back by the superconducting inductance.
- the power flow from the mains connection to the superconducting inductance (from left to right) is shown.
- the inverter 3 and the transmission line are voltage-influencing inverters.
- the inverter eg with the IGBTs SIx, DIx
- the rectifier (S2x here MOSFETs with intrinsic freewheeling diodes) operates on a DC capacitor C2.
- the use of MOSFETs on the secondary side is preferably suitable at a comparatively low voltage U2.
- the selection of the capacitance C2 suitable for the correct attenuation is carried out in the thesis cited at the outset.
- the respective rectifier is always passive, the corresponding circuit breaker (IGBT or diodes) are accordingly blocked by the flow control.
- the diodes conduct the current and are, of course, commutated.
- the inverter switches the IGBTs off and off hard. However, then only the small triangular magnetizing current must be commutated to the diodes
- the higher-level stationary sequence control controls excitation or de-energizing or the freewheeling of the exciter current as well as the rotating voltage actuator for controlling U Ls c-.
- a voltage actuator S5-S7 work with the diodes DrI and the body diode Dfr of S7. If S5 and S6 are switched on, S7 is switched off, then the HTS winding is energized with the voltage -U C 2. If S5 is switched off, the diode Dfr takes over the freewheeling current. Their forward voltage is reduced, in which the MOSFET S7 is turned on in the third quadrant of its control characteristic and thus essentially takes over the freewheeling current. If S6 is switched off, the voltage -U C 2 is applied to L sc . The HTS winding 10 is thus de-energized.
- Essential in the excitement and de-excitation of the HTS inductivity is that the contactless energy transfer equally allows the corresponding power flow, which is ensured by the flow control with the power electronics. If the excitation current has reached a certain setpoint, then the freewheeling circuit is switched to a certain limit and has to be recharged again in the excited state.
- the arrangement described is particularly suitable for feeding a large rotating HTS inductor, whose magnetizing current is controlled stationary with low control / control dynamics.
- the flow control has knowledge of the direction of the power flow, so that no
- the sequence control must not fail in the event of a power failure.
- a possibly required recharging of the voltage U Ci of the HTS winding guaranteed a sufficient supply voltage.
- other components can also be supplied from U C i in order to shut them off in the event of a power failure (UPS).
- Optical, inductive or capacitive systems can be used for non-contact data transmission of the excitation current measured values and the control information of the secondary converters.
- a particular advantage of the circuit described is that the excitation and de-excitation can be controlled in the described circuits. Thus, no separate power source needs to be used for de-energizing.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Superconductive Dynamoelectric Machines (AREA)
- Control Of Eletrric Generators (AREA)
- Rectifiers (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005047551A DE102005047551A1 (de) | 2005-09-30 | 2005-09-30 | Erregereinrichtung für eine elektrische Maschine |
PCT/EP2006/066214 WO2007039410A1 (fr) | 2005-09-30 | 2006-09-11 | Systeme d'excitation pour machine electrique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1929616A1 true EP1929616A1 (fr) | 2008-06-11 |
EP1929616B1 EP1929616B1 (fr) | 2014-10-29 |
Family
ID=37402623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06793396.0A Not-in-force EP1929616B1 (fr) | 2005-09-30 | 2006-09-11 | Systeme d'excitation pour machine electrique |
Country Status (7)
Country | Link |
---|---|
US (1) | US8018206B2 (fr) |
EP (1) | EP1929616B1 (fr) |
KR (2) | KR20140040286A (fr) |
CN (1) | CN101278470B (fr) |
DE (1) | DE102005047551A1 (fr) |
ES (1) | ES2523582T3 (fr) |
WO (1) | WO2007039410A1 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005047551A1 (de) * | 2005-09-30 | 2007-04-12 | Siemens Ag | Erregereinrichtung für eine elektrische Maschine |
EP2806437B1 (fr) * | 2006-12-20 | 2018-11-28 | Analogic Corporation | Système de transfert de puissance rotatif sans contact |
WO2010105764A1 (fr) * | 2009-03-19 | 2010-09-23 | Sew-Eurodrive Gmbh & Co. Kg | Transmetteur de rotation et machine synchrone à excitation indépendante |
DE102009040394A1 (de) * | 2009-09-07 | 2011-03-17 | Siemens Aktiengesellschaft | Erregereinrichtung für eine elektrische Maschine mit supraleitender Last |
EP2524423A1 (fr) | 2010-01-13 | 2012-11-21 | Brusa Elektronik AG | Dispositif de commande et procédé de commande d'un enroulement rotorique excité séparément d'une machine synchrone |
US20110141771A1 (en) * | 2010-12-07 | 2011-06-16 | Karl Kyrberg | Electric power system including power converter and rotary transformer and method of assembling same |
JP5494838B2 (ja) * | 2011-01-26 | 2014-05-21 | 株式会社村田製作所 | 電力伝送システム |
JP2014508498A (ja) | 2011-03-11 | 2014-04-03 | ブルサ エレクトロニック アーゲー | スイッチング素子付き励磁回路を備える同期機 |
JP5575731B2 (ja) * | 2011-11-17 | 2014-08-20 | 株式会社日立情報通信エンジニアリング | 電源装置および電源装置の制御方法 |
US20140352996A1 (en) * | 2011-12-07 | 2014-12-04 | National Oilwell Varco Norway As | Apparatus and method for transferring electrical power to a rotating shaft |
DE102012112864A1 (de) * | 2012-12-21 | 2014-06-26 | Robert Bosch Gmbh | System |
DE102014117524A1 (de) | 2014-11-28 | 2016-06-02 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Elektrische Drehfeldmaschine |
US9973099B2 (en) * | 2015-08-26 | 2018-05-15 | Futurewei Technologies, Inc. | AC/DC converters with wider voltage regulation range |
CN107979275A (zh) * | 2016-10-21 | 2018-05-01 | 南京理工大学 | 一种新型的三相单级有源功率因数校正装置 |
CN107979277A (zh) * | 2016-10-21 | 2018-05-01 | 南京理工大学 | 一种基于新型变压器与电感器的功率因数校正装置 |
CN110620512B (zh) * | 2018-06-20 | 2020-09-15 | 台达电子工业股份有限公司 | 谐振变换器及控制方法 |
CN111585462A (zh) * | 2020-05-25 | 2020-08-25 | 中国科学院合肥物质科学研究院 | 一种磁共振超导磁体升降场装置 |
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DE1438628A1 (de) * | 1962-10-09 | 1969-04-30 | Siemens Ag | Anordnung zur Erregung einer schleifringlosen Synchronmaschine |
DE1488978A1 (de) * | 1966-08-16 | 1969-04-03 | Licentia Gmbh | Elektrische Drehvorrichtung |
DE1563783A1 (de) * | 1966-12-09 | 1970-04-09 | Siemens Ag | Anordnung zur Feinregelung der Spannung und zum Entregen von lastabhaengig erregten Synchronmaschinen |
US3784888A (en) * | 1972-06-26 | 1974-01-08 | Allis Chalmers | Control for commutatorless motor |
US3931553A (en) * | 1972-08-07 | 1976-01-06 | Allis-Chalmers Corporation | Electronic commutation system having motor stator windings in push-pull |
GB1490979A (en) * | 1973-12-22 | 1977-11-09 | Cav Ltd | Brushless ac synchronous motors |
GB1490980A (en) * | 1973-12-22 | 1977-11-09 | Cav Ltd | Brushless ac synchronous motors |
US4093869A (en) * | 1976-04-13 | 1978-06-06 | Westinghouse Electric Corp. | Quadrature axis field brushless exciter |
US4549130A (en) * | 1983-07-12 | 1985-10-22 | International Business Machines Corporation | Low leakage transformers for efficient line isolation in VHF switching power supplies |
US4949362A (en) * | 1989-03-09 | 1990-08-14 | General Electric Company | System for detecting and limiting electrical ground faults within electrical devices |
JPH04145863A (ja) * | 1990-10-05 | 1992-05-19 | Toshiba Corp | 超電導回転電機 |
DE19530586C2 (de) * | 1995-08-19 | 2003-11-27 | Bosch Gmbh Robert | Anordnung zum Kontrollieren des Widerstandes einer an einem Übertrager angeschlossenen Last |
DE19735624C1 (de) * | 1997-08-18 | 1998-12-10 | Daimler Benz Ag | Verfahren und Anordnung zur induktiven Übertragung elektrischer Leistung auf mehrere bewegte Verbraucher |
US6420842B1 (en) | 2000-01-11 | 2002-07-16 | American Superconductor Corporation | Exciter and electronic regulator for rotating machinery |
US6301128B1 (en) * | 2000-02-09 | 2001-10-09 | Delta Electronics, Inc. | Contactless electrical energy transmission system |
US6362588B1 (en) | 2000-02-09 | 2002-03-26 | Reliance Electric Technologies, Llc | Excitation system for rotating synchronous machines |
US6396247B1 (en) * | 2000-11-15 | 2002-05-28 | Eaton Corporation | Exciter system with protection for manual regulator failure and an electric generator incorporating same |
EP1581533A2 (fr) * | 2002-08-17 | 2005-10-05 | ALTANA Pharma AG | Nouvelles benzonaphtyridines |
DE10237779A1 (de) | 2002-08-17 | 2004-03-25 | Daimlerchrysler Ag | Wandlervorrichtung, Kraftfahrzeug mit einer Wandlervorrichtung und Verfahren zum Betrieb einer Wandlervorrichtung |
DE10301978A1 (de) * | 2003-01-20 | 2004-08-05 | Eurocopter Deutschland Gmbh | Vorrichtung und Verfahren zum Übertragen und Bereitstellen der Energie kapazitiver Aktuatoren |
US6934167B2 (en) * | 2003-05-01 | 2005-08-23 | Delta Electronics, Inc. | Contactless electrical energy transmission system having a primary side current feedback control and soft-switched secondary side rectifier |
US20050218741A1 (en) * | 2004-03-18 | 2005-10-06 | Wnorowski Edward J Jr | Generators, transformers and stators containing high-strength, laminated, carbon-fiber windings |
CN1581675A (zh) * | 2004-05-14 | 2005-02-16 | 国电自动化研究院 | 发电机可控续流式灭磁电路 |
GB2423652B (en) * | 2005-02-24 | 2008-06-11 | Alstom | Exciter assemblies |
DE102005047551A1 (de) * | 2005-09-30 | 2007-04-12 | Siemens Ag | Erregereinrichtung für eine elektrische Maschine |
US8134345B2 (en) * | 2005-11-29 | 2012-03-13 | General Electric Company | Cryogenic exciter |
US7687928B2 (en) * | 2006-06-14 | 2010-03-30 | Smiths Aerospace, Llc | Dual-structured aircraft engine starter/generator |
JP4882053B2 (ja) * | 2006-11-08 | 2012-02-22 | 国立大学法人東京海洋大学 | 超電導回転電機駆動制御システム |
CN101227136A (zh) * | 2007-01-16 | 2008-07-23 | 林冈嵚 | 独立自主自由式积复激自动环聚同步磁能动力发电机 |
ATE528850T1 (de) * | 2007-09-11 | 2011-10-15 | Abb Schweiz Ag | Verfahren und vorrichtung zum bestimmen eines erregerstroms in bürstenlosen elektrischen maschinen |
US7884562B2 (en) * | 2007-10-26 | 2011-02-08 | Frederick William Klatt | Brushless multiphase self-commutation controller |
US8080887B2 (en) * | 2008-09-19 | 2011-12-20 | Brad Radl | Closed loop control of hydrogen cooling of an electric power generator |
-
2005
- 2005-09-30 DE DE102005047551A patent/DE102005047551A1/de not_active Withdrawn
-
2006
- 2006-09-11 WO PCT/EP2006/066214 patent/WO2007039410A1/fr active Application Filing
- 2006-09-11 CN CN2006800363348A patent/CN101278470B/zh not_active Expired - Fee Related
- 2006-09-11 KR KR1020147006387A patent/KR20140040286A/ko not_active Application Discontinuation
- 2006-09-11 ES ES06793396.0T patent/ES2523582T3/es active Active
- 2006-09-11 EP EP06793396.0A patent/EP1929616B1/fr not_active Not-in-force
- 2006-09-11 US US11/992,846 patent/US8018206B2/en not_active Expired - Fee Related
- 2006-09-11 KR KR1020087010302A patent/KR101526164B1/ko active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO2007039410A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101278470B (zh) | 2010-09-15 |
US8018206B2 (en) | 2011-09-13 |
WO2007039410A1 (fr) | 2007-04-12 |
DE102005047551A1 (de) | 2007-04-12 |
EP1929616B1 (fr) | 2014-10-29 |
CN101278470A (zh) | 2008-10-01 |
KR101526164B1 (ko) | 2015-06-18 |
KR20080068829A (ko) | 2008-07-24 |
KR20140040286A (ko) | 2014-04-02 |
ES2523582T3 (es) | 2014-11-27 |
US20090153106A1 (en) | 2009-06-18 |
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